GB2174711B - Production of synthetic plastics articles - Google Patents

Production of synthetic plastics articles

Info

Publication number
GB2174711B
GB2174711B GB08607756A GB8607756A GB2174711B GB 2174711 B GB2174711 B GB 2174711B GB 08607756 A GB08607756 A GB 08607756A GB 8607756 A GB8607756 A GB 8607756A GB 2174711 B GB2174711 B GB 2174711B
Authority
GB
United Kingdom
Prior art keywords
production
synthetic plastics
plastics articles
articles
synthetic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB08607756A
Other versions
GB8607756D0 (en
GB2174711A (en
Inventor
Cletus Norman Welch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by PPG Industries Inc filed Critical PPG Industries Inc
Publication of GB8607756D0 publication Critical patent/GB8607756D0/en
Publication of GB2174711A publication Critical patent/GB2174711A/en
Priority to MYPI87001916A priority Critical patent/MY101860A/en
Application granted granted Critical
Publication of GB2174711B publication Critical patent/GB2174711B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/22—Absorbing filters
    • G02B5/23—Photochromic filters
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Laminated Bodies (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Optical Filters (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB08607756A 1985-03-29 1986-03-27 Production of synthetic plastics articles Expired GB2174711B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MYPI87001916A MY101860A (en) 1985-03-29 1987-09-24 Production of synthetic plastics articles

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71761885A 1985-03-29 1985-03-29
US77975085A 1985-09-24 1985-09-24

Publications (3)

Publication Number Publication Date
GB8607756D0 GB8607756D0 (en) 1986-04-30
GB2174711A GB2174711A (en) 1986-11-12
GB2174711B true GB2174711B (en) 1988-10-19

Family

ID=27109740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08607756A Expired GB2174711B (en) 1985-03-29 1986-03-27 Production of synthetic plastics articles

Country Status (11)

Country Link
AU (1) AU554441B2 (en)
BR (1) BR8601298A (en)
CA (1) CA1274427A (en)
DE (1) DE3607759A1 (en)
FR (1) FR2587501B1 (en)
GB (1) GB2174711B (en)
HK (1) HK71889A (en)
IT (1) IT1191994B (en)
MX (1) MX164718B (en)
MY (1) MY101860A (en)
SG (1) SG27389G (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3516568A1 (en) * 1985-05-08 1986-01-23 Optische Werke G. Rodenstock, 8000 München Process for colouring spectacle glasses made from plastic by means of organic dyes
US4909963A (en) * 1986-09-26 1990-03-20 Ppg Industries, Inc. Photochromic article
US4831142A (en) * 1986-09-26 1989-05-16 Ppg Industries, Inc. Spiro indoline-pyranobenzoxazinones
US4816584A (en) * 1986-11-12 1989-03-28 Ppg Industries, Inc. Photochromic spiro(indoline)benzoxazines
EP0277639B1 (en) * 1987-02-02 1995-01-25 Toray Industries, Inc. Photochromic compound
IT1223348B (en) * 1987-11-05 1990-09-19 Enichem Sintesi DOLL OR OTHER GAME FOR CHILDREN WITH PHOTOCROMATIC FEATURES AND RELATED PREPARATION PROCEDURE
US4968454A (en) * 1988-01-25 1990-11-06 Ppg Industries, Inc. Variable-light transmittance article and method for preparing same
US5021196A (en) * 1988-01-25 1991-06-04 Ppg Industries, Inc. Method for preparing variable-light transmittance article
IE890134L (en) * 1988-02-02 1989-08-02 Akzo Nv Photochromic compositions
US4986934A (en) * 1988-03-25 1991-01-22 Ppg Industries, Inc. Photochromic compound and articles containing the same
US5185390A (en) * 1990-03-07 1993-02-09 Ppg Industries, Inc. Water strippable photochromic resin composition
US5130353A (en) * 1990-03-07 1992-07-14 Ppg Industries, Inc. Method for preparing photochromic plastic article
IL105147A0 (en) * 1992-09-11 1993-07-08 American Optical Corp Production of photochromic plastic lenses
AUPN007194A0 (en) * 1994-12-16 1995-01-19 Sola International Holdings Ltd Method of preparing photochromic article
US7077985B2 (en) 2000-05-30 2006-07-18 Vision-Ease Lens Injection molding of lens
US6521753B1 (en) * 2000-05-31 2003-02-18 Johnson & Johnson Vision Care, Inc. Indolinospiropyran compounds and methods for their manufacture
US7858001B2 (en) 2003-09-09 2010-12-28 Insight Equity A.P.X., L.P. Photochromic lens
EP2955567A1 (en) 2003-09-09 2015-12-16 Insight Equity A.P.X., LP Photochromic polyurethane laminate
WO2006094313A2 (en) 2005-03-04 2006-09-08 Vision-Ease Lens Forming method for polymeric laminated wafers comprising different film materials
FR2952440B1 (en) 2009-11-12 2012-05-04 Essilor Int METHOD FOR MANUFACTURING PLASTIC ANTI-UV FILM WITH NON-UNIFORM SPATIAL DISTRIBUTION OF UV ABSORBER AND OPTICAL PHOTOCHROMIC ELEMENTS COATED WITH SUCH A PLASTIC FILM
US9081130B1 (en) 2013-01-09 2015-07-14 Insight Equity A.P.X., Lp Photochromic polyurethane laminate
US9975053B1 (en) 2017-04-28 2018-05-22 Jay At Play International Hong Kong Limited Transformable toy with reversible head

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4286957A (en) * 1979-01-10 1981-09-01 Essilor International "Cie Generale D'optique" Process of integrating a photochromic substance into an ophthalmic lens and a photochromic lens of organic material
CH662188A5 (en) * 1983-03-16 1987-09-15 Satis Vacuum Ag METHOD AND DEVICE FOR COATING OPTICAL SUBSTRATES WITH REVERSIBLE PHOTOCHROMIC PROPERTIES.
DE3516568A1 (en) * 1985-05-08 1986-01-23 Optische Werke G. Rodenstock, 8000 München Process for colouring spectacle glasses made from plastic by means of organic dyes

Also Published As

Publication number Publication date
IT1191994B (en) 1988-03-31
GB8607756D0 (en) 1986-04-30
MY101860A (en) 1992-01-31
HK71889A (en) 1989-09-14
FR2587501A1 (en) 1987-03-20
BR8601298A (en) 1986-12-02
GB2174711A (en) 1986-11-12
DE3607759A1 (en) 1986-10-02
IT8667243A0 (en) 1986-03-26
CA1274427C (en) 1990-09-25
MX164718B (en) 1992-09-21
CA1274427A (en) 1990-09-25
AU554441B2 (en) 1986-08-21
FR2587501B1 (en) 1991-07-19
SG27389G (en) 1989-09-22

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20060326